Learn how to install, reinstall, or activate Microsoft 365 or Office 2019 on a PC or Mac.

可以使用 Surface 应用快速检查 Surface 驱动程序和固件的运行状况。. 打开 Surface 应用. 在 Surface 应用中，展开“ 帮助和支持 ”以检查更新状态是否为“当前内容已为最新!”或其他内容。. 如果需要，请选择用于更新设备的选项。. 注意: 如果未安装 Surface 应用 ...

Learn how to connect a Bluetooth device in Windows and adjust Bluetooth pairing settings.

Learn how to install Windows 7 Service Pack 1 (SP1). Includes info about how to get the download, requirements, and more.

Learn how to update drivers in Windows using Device Manager to update or reinstall a driver.

Describes how to use the System File Checker tool to troubleshoot missing or corrupted system files in Windows 8.1, Windows 8, Windows 7 or Windows Vista.

Learn how to install Windows 11, including the recommended option of visiting the Windows Update page in Settings.

If you’re working on a Windows PC and want the apps and content from another device to show on your PC screen, you’ll want to consider mirroring that device‘s screen or projecting it to your PC.

Find settings in Windows. Find your Windows settings in a snap! Select the Start button, then select Settings . From there, browse the categories or use search to find what you're looking for. Most apps have their own settings. In the app, select Settings to make app-specific changes. Learn how to make Windows easier to see and easier to hear .

下载并安装或重新安装 Office 2019、Office 2016 或 Office 2013. 如果这是你 第一次 安装 Microsoft 365，则可能需要先执行一些设置步骤。. 展开下面的 “了解详细信息”部分。. 但是如果是重新安装 Microsoft 365，且已兑换了产品密钥并拥有与 Microsoft 365 相关联的帐户，请转 ...